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Finding the Fourth Proportional to 58,175.92, 87,189.38 and 50,648.78

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Solution

The fourth proportional to 58,175.92, 87,189.38 and 50,648.78 is: 75,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.92 : 87,189.38 = 50,648.78 : x
  2. Step 2: Convert to fraction form
    58,175.92/87,189.38 = 50,648.78/x
  3. Step 3: Cross multiply
    58,175.92x = 87,189.38 × 50,648.78
  4. Step 4: Simplify right side
    58,175.92x = 4,416,035,725.96
  5. Step 5: Solve for x
    x = 4,416,035,725.96/58,175.92
  6. Step 6: Final answer
    x = 75,908.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.